Research in the field of autonomous mobile robots interactions in various situations is an important task. The original algorithm for simulating the movement of robots is proposed. The basic robots movement model allows avoiding obstacles and reaching their targets without a global route planner. Several movement rules applying to the basic model for estimated their effectiveness are investigated. If the robots follow some of these rules and their ombinations in certain cases, it can increase average speed, save energy, reduce congestion of the robot flows, or improve all these indicators. The most effective movement rule for all indicators in the considered test situations is found. The main results of the experiments are commented. Some interesting directions to additional research on this topic are suggested.